#!/usr/local/bin/ruby

require './calc_sd_from_log.rb'
include CalcSD
include Math

$log="
1 
2
3
4
5
"

#puts get_sigma_from_log("./cassandra_log/log/read_cassandra.o7518")

def log_parser(filename)
  timeArray=[]
  totalTime = 0
  totalFailed = 0
  timeStrArray = File.open(filename)do |file| 
    file.readlines.select{|line| line =~ /./ }
  end
  return timeStrArray.collect{|strTime| strTime.to_i }
end

def create_map(timeArray) 
  totalTime = 0
  totalFailed = 0
  timeArray.each {|time|
   totalTime = totalTime + time
  }
  hashmap = {:totalTime => totalTime, :timeArray => timeArray, :totalFailed => totalFailed}
end

def main()
  filename = (Time.now.to_i).to_s
  puts "filename : "+filename
  f = open(filename,"w")
  f.puts $log
  f.close()

  timeArray = log_parser(filename)
  File.delete(filename)
  map = create_map(timeArray)
  sigma = calclate_sigma(map)
  puts sigma.to_s
  puts Math.sqrt(2).to_s
end

main()